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40 lines
978 B
C++
40 lines
978 B
C++
#include <cryptopp/sha.h>
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#include <cryptopp/osrng.h>
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#include <cryptopp/dh.h>
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#include <cryptopp/dsa.h>
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#include "CryptoConst.h"
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#include "Identity.h"
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namespace i2p
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{
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namespace data
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{
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IdentHash CalculateIdentHash (const Identity& identity)
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{
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IdentHash hash;
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CryptoPP::SHA256().CalculateDigest((uint8_t *)hash, (uint8_t *)&identity, sizeof (Identity));
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return hash;
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}
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Keys CreateRandomKeys ()
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{
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Keys keys;
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CryptoPP::AutoSeededRandomPool rnd;
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// encryption
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CryptoPP::DH dh (i2p::crypto::elgp, i2p::crypto::elgg);
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dh.GenerateKeyPair(rnd, keys.privateKey, keys.publicKey);
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// signing
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CryptoPP::DSA::PrivateKey privateKey;
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CryptoPP::DSA::PublicKey publicKey;
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privateKey.Initialize (rnd, i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag);
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privateKey.MakePublicKey (publicKey);
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privateKey.GetPrivateExponent ().Encode (keys.signingPrivateKey, 20);
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publicKey.GetPublicElement ().Encode (keys.signingKey, 128);
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return keys;
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}
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}
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}
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